TGBrowserRequest.java

package org.herac.tuxguitar.community.browser;

import java.io.OutputStreamWriter;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
import java.util.Map.Entry;

import org.herac.tuxguitar.community.auth.TGCommunityAuth;
import org.herac.tuxguitar.community.utils.TGCommunityWeb;

public class TGBrowserRequest {

  private static final String REMOTE_URL = (TGCommunityWeb.HOME_URL + "/rd.php/sharing/tuxguitar/browser.do");

  private String request;

  public TGBrowserRequest(TGCommunityAuth auth) throws Throwable {
    this(auth, null);
  }

  public TGBrowserRequest(TGCommunityAuth auth, TGBrowserElementImpl element)
      throws Throwable {
    this.initialize(auth, element);
  }

  public TGBrowserResponse getResponse() throws Throwable {
    URL url = new URL(REMOTE_URL);
    URLConnection conn = url.openConnection();
    conn.setDoOutput(true);

    OutputStreamWriter outputStream = new OutputStreamWriter(conn
        .getOutputStream());
    outputStream.write(this.request);
    outputStream.flush();
    outputStream.close();

    return new TGBrowserResponse(conn.getInputStream());
  }

  private void initialize(TGCommunityAuth auth, TGBrowserElementImpl element)
      throws Throwable {
    this.request = new String();
    this.request += URLEncoder.encode("auth", "UTF-8");
    this.request += ("=");
    this.request += URLEncoder.encode(auth.getAuthCode(), "UTF-8");

    if (element != null) {
      for (final Entry<String, String> property : element.getProperties()
          .entrySet()) {
        this.request += ("&");
        this.request += URLEncoder.encode((String) property.getKey(), "UTF-8");
        this.request += ("=");
        this.request += URLEncoder
            .encode((String) property.getValue(), "UTF-8");
      }
    }
  }
}